SnapmakerU1-Extended-Firmware

Installation Guide

This guide covers installing custom firmware on your Snapmaker U1 3D printer.

Warning: Installing custom firmware may void warranty and could potentially damage your device. Use at your own risk.

Prerequisites

• USB drive formatted as FAT32
• Downloaded firmware .bin file from Releases

Installation Steps

1. Download Firmware
   • Get the latest .bin file from the Releases page
   • Choose between Basic or Extended firmware based on your needs
2. Prepare USB Drive
   • Format a USB drive as FAT32
   • Copy the downloaded .bin file to the root of the USB drive
3. Install on Printer
   • Insert the USB drive into the printer
   • On the printer touchscreen, navigate to: Settings > About > Firmware Version > Local Update
   • Select the .bin file from the USB drive
   • Confirm the installation
   • Wait for the update to complete (printer will reboot)

Post-Installation

After installation completes:

• The printer will automatically reboot
• For SSH access, see SSH Access documentation
• For camera features, see Camera Support documentation
• Fluidd interface will be available (Extended firmware only)

Reverting to Stock Firmware

If you need to revert to the original Snapmaker firmware:

1. Download the official .bin file from the Snapmaker U1 Wiki
2. Follow the same installation steps as above

Troubleshooting

• Update fails: Ensure the USB drive is formatted as FAT32
• File not found: Make sure the .bin file is in the root directory of the USB drive
• Printer won’t boot: Try reverting to stock firmware
• For additional help, open an issue on the GitHub repository

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